22535137645 has 8 divisors (see below), whose sum is σ = 27064688760. Its totient is φ = 18013094400.

The previous prime is 22535137637. The next prime is 22535137673. The reversal of 22535137645 is 54673153522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 240467049 + 22294670596 = 15507^2 + 149314^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22535137645 - 2³ = 22535137637 is a prime.

It is a super-3 number, since 3×22535137645³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1870360 + ... + 1882369.

It is an arithmetic number, because the mean of its divisors is an integer number (3383086095).

Almost surely, 2^22535137645 is an apocalyptic number.

It is an amenable number.

22535137645 is a deficient number, since it is larger than the sum of its proper divisors (4529551115).

22535137645 is a wasteful number, since it uses less digits than its factorization.

22535137645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753935.

The product of its digits is 756000, while the sum is 43.

The spelling of 22535137645 in words is "twenty-two billion, five hundred thirty-five million, one hundred thirty-seven thousand, six hundred forty-five".